Question

find the area of the square with side ( 2m+mnunits​

Answer 1

Step-by-step explanation:

Let the side of the square be

$2m + mn$

Then length and breadth of square

are also

$2m + mn$

Area of square is defined as:

$l \times b$

multiply length and breadth you get

$( {2m + mn})^{2}$